1385229691

Names of 1385229691

• Cardinal: 1385229691 can be written as One billion, three hundred eighty-five million, two hundred twenty-nine thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 1.385229691 × 10⁹

Factors of 1385229691

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1802108

Divisors of 1385229691

• Number of divisors d(n): 4
• Complete list of divisors:
  1 769 1801339 1385229691
• Sum of all divisors σ(n): 1387031800
• Sum of proper divisors (its aliquot sum) s(n): 1802109
• 1385229691 is a deficient number, because the sum of its proper divisors (1802109) is less than itself. Its deficiency is 1383427582

Bases of 1385229691

• Binary: 1010010100100001110110101111011₂
• Hexadecimal: 0x5290ED7B
• Base-36: MWQA2J

Squares and roots of 1385229691

• 1385229691 squared (1385229691²) is 1918861296827955481
• 1385229691 cubed (1385229691³) is 2658063641276848051107386371
• The square root of 1385229691 is 37218.6739554219
• The cube root of 1385229691 is 1114.7408866551

Scales and comparisons

• 1,385,229,691 seconds is equal to 44 years, 2 weeks, 2 days, 18 hours, 1 minute, 31 seconds.
• To count from 1 to 1,385,229,691 would take you about eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1385229691 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385229691

• 1385229691 backwards is 1969225831
• The number of decimal digits it has is: 10
• The sum of 1385229691's digits is 46
• More coming soon!